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Solution


Q.

For the reaction,

H2(g)+I2(g) ⇌ 2HI(g)

Attainment of equilibrium is predicted correctly by:                   [2025]
1  
2  
3  
4  

Ans.

(3)

During the time interval from start of the reaction till equilibrium, concentration of reactants (H2 and I2) decrease and concentration of products (HI) increase. Once equilibrium is reached concentration of each species becomes constant.